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Internet address
An IP address is assigned in blocks of numbers to user organizations accessing the Internet.
These addresses are established by the United States Department of Defense's Network
Information Center. Duplicate addresses can cause major problems on the network, but the
NIC trusts organizations to use individual addresses responsibly. Each address is a 32-bit
address in the form of x.x.x.x where x is an eight- bit number from 0 to 255. There are three
classes: A, B and C, depending on how many computers on the site are likely to be
connected.
Internet Protocol (IP)
The network layer protocol for the Internet protocol suite
IP address
The 32-bit address assigned to hosts that want to participate in a TCP/IP Internet.
ISP
Internet service provider - A company allows home and corporate users to connect to the
Internet.
MAC
Media Access Control Layer - A sub-layer of the Data Link Layer (Layer 2) of the ISO OSI
Model responsible for media control.
MIB
Management Information Base - A collection of objects can be accessed via a network
management protocol, such as SNMP and CMIP (Common Management Information
Protocol).
NAT
Network Address Translation - A proposal for IP address reuse, where the local IP address is
mapped to a globally unique address.
NVT
Network Virtual Terminal
PAP
Password Authentication Protocol
PORT
The abstraction used by Internet transport protocols to distinguish among multiple
simultaneous connections to a single destination host.
POTS
Plain Old Telephone Service - This is the term used to describe basic telephone service.
PPP
Point-to-Point-Protocol - The successor to SLIP, PPP provides router-to-router and host-to-
network connections over both synchronous and asynchronous circuits.
PPPoE
PPP over Ethernet is a protocol for connecting remote hosts to the Internet over an always-